Why am i feeling like this?

It's been going on about three months ive been scared of everything about my future i always think the worst and have been attacked by anxiety and depression alot. i feel dumb i cant learn anything my mind doesn't want to thanks to my AD-HD. I go to work and go home bk in forth in a crap car that can barley last a week but cant get into a newer one no credit and no co signer and petrified of a Craigslist car or something. i can barley see my friends because of this i feel worthless and stupid for being so scared of this there's worse things out there and i know people are suffering more than this but my mind takes it in like its the end of the world i just wanna be happy again like i usually am this is all new to me :(. so new im in therapyy and counseling? i have no idea what to do any more i just want the feeling to smile back.